Refactoring Dockerfile

.github/workflows/cd.yml

@@ -83,7 +83,7 @@ jobs:
           dockerfile: Dockerfile
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          build-args: ACAPARCH=${{ matrix.arch }}
+          build-args: ARCH=${{ matrix.arch }}
           outputs: "type=local,dest=build"
       - name: Get name of EAP-file
         id: get_eap_file_name

.gitignore

@@ -1,4 +1,5 @@
 build*/
+tls/
 tmp/
 dockerd
 docker-proxy

Dockerfile

@@ -1,21 +1,20 @@
 # syntax=docker/dockerfile:1
 
 ARG DOCKER_IMAGE_VERSION=26.0.0
+ARG PROCPS_VERSION=v3.3.17
 
 ARG REPO=axisecp
-ARG ACAPARCH=armv7hf
+ARG ARCH=armv7hf
 
 ARG VERSION=1.13
 ARG UBUNTU_VERSION=22.04
 ARG NATIVE_SDK=acap-native-sdk
 
-FROM ${REPO}/${NATIVE_SDK}:${VERSION}-${ACAPARCH}-ubuntu${UBUNTU_VERSION} as build_image
+FROM ${REPO}/${NATIVE_SDK}:${VERSION}-${ARCH}-ubuntu${UBUNTU_VERSION} AS sdk_image
 
-FROM build_image AS ps
-ARG PROCPS_VERSION=v3.3.17
-ARG BUILD_DIR=/build
-ARG EXPORT_DIR=/export
+FROM sdk_image AS build_image
 
+# hadolint ignore=DL3009
 RUN <<EOF
     apt-get update
     apt-get -q install -y -f --no-install-recommends \
@@ -27,12 +26,21 @@ RUN <<EOF
     ln -s /usr/bin/libtoolize /usr/bin/libtool
 EOF
 
+FROM build_image AS ps
+
+ARG PROCPS_VERSION
+ARG BUILD_DIR=/build
+ARG EXPORT_DIR=/export
+
 WORKDIR $BUILD_DIR
 RUN git clone --depth 1 -b $PROCPS_VERSION 'https://gitlab.com/procps-ng/procps' .
 
 ARG BUILD_CACHE=build.cache
-RUN echo ac_cv_func_realloc_0_nonnull=yes >$BUILD_CACHE \
-    && echo ac_cv_func_malloc_0_nonnull=yes >>$BUILD_CACHE
+RUN <<EOF
+    echo ac_cv_func_realloc_0_nonnull=yes >$BUILD_CACHE
+    echo ac_cv_func_malloc_0_nonnull=yes >>$BUILD_CACHE
+EOF
+
 RUN <<EOF
     . /opt/axis/acapsdk/environment-setup*
     ./autogen.sh
@@ -47,21 +55,18 @@ EOF
 WORKDIR $EXPORT_DIR
 RUN cp $BUILD_DIR/ps/pscommand ps
 
-FROM build_image as build
+FROM sdk_image AS docker-binaries
 
-ARG DOCKER_IMAGE_VERSION
-ENV DOCKERVERSION ${DOCKER_IMAGE_VERSION}
-ARG ACAPARCH
-ENV ARCH ${ACAPARCH}
+WORKDIR /download
 
-COPY app /opt/app
-COPY --from=ps /export/ps /opt/app
+ARG ARCH
+ARG DOCKER_IMAGE_VERSION
 
 # Download and extract dockerd and its dependencies
 RUN <<EOF
-    if [ "$ACAPARCH" = "armv7hf" ]; then
+    if [ "$ARCH" = "armv7hf" ]; then
         export DOCKER_ARCH="armhf";
-    elif [ "$ACAPARCH" = "aarch64" ]; then
+    elif [ "$ARCH" = "aarch64" ]; then
         export DOCKER_ARCH="aarch64";
     fi;
     curl -Lo docker_binaries.tgz "https://download.docker.com/linux/static/stable/${DOCKER_ARCH}/docker-${DOCKER_IMAGE_VERSION}.tgz" ;
@@ -70,7 +75,17 @@ RUN <<EOF
     tar -xz -f docker_binaries.tgz --strip-components=1 docker/docker-proxy ;
 EOF
 
+FROM sdk_image AS build
+
 WORKDIR /opt/app
+
+COPY app .
+COPY --from=ps /export/ps .
+COPY --from=docker-binaries \
+    /download/dockerd \
+    /download/docker-init \
+    /download/docker-proxy ./
+
 RUN <<EOF
     . /opt/axis/acapsdk/environment-setup*
     acap-build . \

README.md

@@ -273,7 +273,7 @@ To build the Docker ACAP use docker buildx with the provided Dockerfile:
 
 ```sh
 # Build Docker ACAP image
-docker buildx build --file Dockerfile --tag docker-acap:<ARCH> --build-arg ACAPARCH=<ARCH> --output <build-folder> .
+docker buildx build --file Dockerfile --tag docker-acap:<ARCH> --build-arg ARCH=<ARCH> --output <build-folder> .
 ```
 
 where `<ARCH>` is either `armv7hf` or `aarch64`. `<build-folder>` is the path to an output folder

build.sh

@@ -40,7 +40,7 @@ done
 
 # Build and copy out the acap
 # shellcheck disable=SC2086
-docker buildx build --build-arg ACAPARCH="$arch" \
+docker buildx build --build-arg ARCH="$arch" \
 	--build-arg HTTP_PROXY="${HTTP_PROXY:-}" \
 	--build-arg HTTPS_PROXY="${HTTPS_PROXY:-}" \
 	--file Dockerfile \